Cisco Live Milan 2015

Cisco Live Milan 2015 is over.
All presentations are here, as usual.
I have plan to create overviews about most interesting presentations. Maybe next week.

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Huawei Eudemons

Eudemon Series there are firewalls\IPSeC gateways, but with router functions inside. Something like Juniper SRX, but functionality is cheaper and from Huawei. The hardware of these devices is ok, but software is so crude. The chinese guys must to work hard a lot of time for fix it, I think.
Just from the last

  • rebooting from read-only SNMP request (just “give me some information” request)
  • memory leak when one of the NAT feature turning on
  • sudden appearing “ghost” gigabits on the graphs of the tunnel interfaces (there is no such traffic on the physic link, so it is definitely bug)
  • switching from master to standby and vice versa when you just create another vrrp group

The crude soft definitely.

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just think about bureaucracy

The stupid order is much worse than flexible chaos. Create big, hard and ordered system and it will be first step to your final destruction in modern world.

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Mirroring of untagged ports in Extreme\Huawei switches

I faced with task of mirroring few untagged ports from Extreme and Huawei switches to one monitoring server. It is trivial task, but I found some interesting issue.

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Huawei, Juniper and Cisco in one network – webinar # 1

Hi all!

I plan to create series of webinars about routing in the mixed network, consisting of Cisco, Juniper and Huawei routers. I already done few webinars on the Russian about this topic and I want create it on English.
My English is not so good, so it is challenge for me (and you, if you want to participate ) , but I want try.

UPDATE. Record is here
You can find contents in the description for focusing at the interesting for you parts. Thanks )

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Categories: cisco, Cisco IOS, huawei, juniper, JunOS, ospf, technologies, VRP | Tags: , , , | 4 Comments

The Friday`s digest – “Boasting and illusions”

There is Friday, and this is Friday`s digest.

There are a bit of news on this week, but a lot of topics that were interested for me – too many of boastings and illusions – two main components for networking market at all time.

The Huawei are continuing testing of some innovations for LTE. In the begin of 2013 Huawei had third place on the market of LTE technologies, but in the end of the year it has a chance to take second. This chance is not only innovations but good PR, like launching LTE base on the Everest in the last month.

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The Friday`s digest – “Necromancy and shopping”

As always on Fridays – a bit of news this week.

Nokia is going to buy a stake of Siemens in NSN, since only NSN brought Nokia’s revenues last year. Focusing on the market of mobile controllers and other devices for networks could help Nokia to revenge for humiliation on the market of phones.

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The Friday`s digest – “Cisco Live and all all all”

As I have not match time for blog, I decided to create digests about interesting for me (and I hope, for you) news every week. I will create digest every Friday. As usual, news with short comment from me.

So, go on.

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Some things about Cisco SP certifications

How I wrote once, when Cisco reformed SP certification, I didn’t understand how any Cisco Network Academy can build so expensive and sophisticated scheme for labs.
Yesterday I saw webinar from one Russian certification center about the Cisco SP certifications. There are a few interested details from this webinar:

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Junos: Crafted TCP packet can lead to kernel crash

The seriously security issue in the ALL JunOS version.
Lets check security bulletin here
or here (without juniper login)

It can be so dangerous, but there is no exploit now and there is no information about format of this “deadly packet”.
Only Juniper SIRT knows it.

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